All parts › BMW M4 CSL › S58 engine › Timing chain › Chain guides
Chain guides
Part of Timing chain · about $120 to replace
What it is
Plastic slipper guides.
What it does
Guide the chain run and damp vibration.
How it fails
Brittle after 150,000 km; plastic in the sump is the sign.
| Material | PA66 glass-filled |
|---|---|
| Spec | 2 guides + 1 tensioner rail |